*{
	margin: 0;
	padding: 0;
	list-style: none;
}
.gongsi{
	width: 100%;
	height: 100px;
}
.gongsi_cont{
	width: 1000px;
	height: 100px;
	margin: 0 auto;
	border-bottom: 1px solid gray;
}
.gongsi_cont span{
	float: left;
	line-height: 100px;
	cursor: pointer;
	font-size: 22px;
}
.lan{
	color: deepskyblue;
}
.jieshao{
	width: 100%;
	height: 750px;
	margin-top: 50px;
}
.jieshao_cont{
	width: 1000px;
	height: 750px;
	margin: 0 auto;
	cursor: default;
	position: relative;
	overflow: hidden;
}
.jieshao_cont ul{
	width: 2000px;
	height: 750px;
	position: absolute;
	left: 0;
}
.jieshao_cont ul li{
	width: 1000px;
	height: 750px;
	float: left;
	
}
.si{
	width: 120px;
	height: 50px;
	text-align: center;
	line-height: 50px;
	font-family: 宋体;
	font-size: 26px;
	border-bottom: 1px solid black;
	margin: 0 auto;
}
.si_1 img{
	width: 100%;
}
.si_2{
	text-indent: 32px;
}
.culture{
	margin-left: 100px;
	margin-top: 15px;
	font-family: "宋体";
}
.culture span{
	font-size: 18px;
	font-weight: bold;
}
